Answer:
s = (H/a - 10)/5
Step-by-step explanation:
H = 5as +10a
H = a(5s +10)
H/a = 5s +10
H/a - 10 = 5s
(H/a - 10)/5 = s
If the pattern continues, it could be 2.75 * 63.63 repeating to get to the end of the card. The second answer is 63. When she started the card, she had $175. Divide 175 by 2.75 and you get 63 repeating.
Answer:
x = -7
Step-by-step explanation:
The vertex form of this equation tells us it is a downward-opening parabola with its vertex at (-7, -3). The line of symmetry is the vertical line through the vertex: x = -7.
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Vertex form is ...
y = a(x -h) +k
where a is the vertical expansion factor, and (h, k) is the vertex. When a < 0, the parabola opens downward. When a > 0, it opens upward. (When a=0, the "parabola" is a horizontal line at y=k.)
B.Acute triangle
You have to square all three numbers which would be 100, 100, and 81. The next step is adding the two shortest sides, which would be 100 & 81. The sum of those two sides add up to 181. If the sum is greater than the 3rd side squared than it would be acute. If the sum and the third side squared were equal it would be a right triangle. If the 3rd side squared was greater than the sum of the two sides squared it would be obtuse
